API Spec 7-1

API Spec 8C

Drilling and Production Hoisting Equipment
Rotary Swivel-Bail Adapters, Rotary Swivels, Power Swivels, Power Subs, Kelly Spinners, If Capable of Being Used as Hoisting Equipment, Pressure Vessels and Piping Mounted onto Hoisting Equipment, Safety Clamps, If Capable of Being Used as Hoisting Equipment and Guide Dollies for Traveling Equipment. Level 1